1.The selection of roofing waterproof materials should choose products and manufacturers with reliable quality:
According to the material characteristics of aluminum alloy metal roof panel, butyl rubber waterproof sealing tape has high bonding strength, aluminum alloy metal roof panel supporting waterproof materials with good follow-up performance, good weather resistance, strong joint displacement resistance, long seam width change time, and non-cracking silicone weather resistant adhesive.
2.Reasonable determination of roof slope, standard roof drainage design:
In the design, we must first combine the actual situation of the construction site design, for heavy rain, snow areas, when the building roof span is large, the roof slope should not be less than 10%.
The designer should give a reasonable node detail drawing according to the actual situation, the design of aluminum alloy metal roof plate purlin, the section should be as high as possible, which is conducive to preventing uneven roof deflection and water in the roof area.
3.Aluminum alloy metal roof plate should use better waterproof performance plate type:
In areas often hit by typhoons, it is necessary to consider the impact of strong wind load on the plant structure and roof envelope structure, the thickness of the molded steel plate should not be too thin, should be greater than 0.5mm, the yield strength of the roof substrate is 300mpa aluminum alloy metal roof plate, the roof plate and the eaves purlin connection should be tight self-taping screws, or in the eaves of the purlin. And take waterproof measures. According to the actual use of results observation and market research statistics, yx51-380-760, u-475 and other aluminum alloy metal roof panels using 180 degree edge connection or 360 degree vertical seam locking connection, waterproof results are good, hidden edge connection the roof panel on both sides of the tool joint, forming a whole, conducive to waterproof, strengthen the integrity of the roof, peak height, Roof without exposed nail head, basically no leakage phenomenon.